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Technical Data Sheet
PartsTable / MRO / 271478
271478 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

CABLE ASSEMBLY,SPECIAL PURPOSE,E. Key specifications include color: BLACK SINGLE ACTUATOR, body_style: HOLE MOUNTED, body_width: 0.305 INCHES NOMINAL IN, body_height: 0.243 INCHES NOMINAL IN, body_length: 0.500 INCHES NOMINAL IN, actuator_height: 0.142 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5342-00-505-9426, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MRO→ MRO_GENERAL→ 271478
NSN: 5342-00-505-9426
FSC: 5342 — MOUNT,RESILIENT,WEAPON SYSTEM
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
colorBLACK SINGLE ACTUATOR
body_styleHOLE MOUNTED
body_width0.305 INCHES NOMINAL IN
body_height0.243 INCHES NOMINAL IN
body_length0.500 INCHES NOMINAL IN
actuator_height0.142 INCHES NOMINAL IN
actuator_length0.187 INCHES NOMINAL IN
end_item_identificationENG J-57
nonpile-up_contact_arrangement1 POLE, DOUBLE THROW, TWO POSITIONS MOMENTARY SINGLE SWITCH UNIT
maximum_voltage_rating_in_volts120.0 AC AND 1.0 DC
contact_load_current_rating_at_maximum_rated_voltage0.100 AMPERES RESISTIVE DC AND 0.250 AMPERES RESISTIVE AC
center_to_center_distance_between_mounting_facilities_parallel_to_length0.687 INCHES NOMINAL IN
NSN5342-00-505-9426
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CABLE ASSEMBLY,SPECIAL PURPOSE,E TITLE COMPONENT PN 271478 MFR CABLE ASSEMBLY,SPECIAL
TYPICAL APPLICATIONS
  • Server Internal Cabling
  • Data Center Cable Infrastructure
  • SAS/SATA Drive Connectivity
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONENG J-57
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
23-021Interchangeable
interchangeable cross-reference
interchangeable
271478Interchangeable
interchangeable cross-reference
interchangeable
MIL271478Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 271478?
271478 is a CABLE ASSEMBLY,SPECIAL PURPOSE,E. It is classified as a MRO (MRO_GENERAL).
What parts can replace 271478?
There are 3 known substitutes for 271478: 23-021, 271478, MIL271478. Substitute compatibility should be verified for your specific system.
What is the NSN for 271478?
271478 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5342-00-505-9426. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026